Radiator unit.



J. M. FEDDERS RADMTOR UNIT.

Patenfed Apr. 1, 1919.

f f f. r .l

UNITED STATES PATENT oEEroE.

JOI-IN M. FEDDERS, 0F BUFFALO, NEW YORK, ASSIGNOR TO FEDDERS MANUFACTURING COMPANY, INC., OF BUFFALO, NEW YORK, A CORPORATION OF NEW YORK.

RADIATOR UNIT.

Specification of Letters Patent.

Patented Apr. l, M9119.

Appncation mea April 2e, 191e. serial No. 229,666.

constructed of substantially tubular forml so that a current of air may pss through the same, a radiating device in arranged within th body for increasing t e rapidity of the dissipation of the heat of the water to the air. l

The object of this invention is to provide an improved radiating devlce for the interior of such 'tubular bodies and one which can be produced at. low cost, is capable of being easily assembled and not liable to get out of order when in use.

In the accompanying drawings.:

Figure 1 is a front elevation, partly in section, of a radiator core made up of units constructed in accordance with my inven-l tion. Fig. 2 is a vertical section of the same taken on line 2 2, Fig. 1.v Figs. 3, 4 and 5 are perspective views of the several parts of one of the radiating devices contained within one of the tubular bodies of a unit.

Similar characters of reference indicate corresponding parts throughout the several views.

In its general organization, the core of the radiator which is adapted to receive my invention comprises a plurality of tubes which are preferably constructed of sheet metal and which are arranged side by side so that the interiors of these tubes form air passages 1 and the spaces between adjacent tubes form water channels or conduits 2. These tubes may be of various forms in cross section and in the instance herein shown the same are of hexa onal form. Each of these tubes is also pre erably provided at its oposite ends with enlargements 3, 3, while the lntermediate part 4 thereof is constructed of reduced diameter. When assembled, each of these tubes bears with the facetson its enlarged ends against corresponding facets of adjacent tubes of the-core so as to tral part of the tubular body. At opposite form closures for the water conduits on oppos1te sldes ofthe radiator core.

One of my improved radiating devices is 'arranged within each of the air tubes, and in its preferred form is constructed as follows:

5 represents a diametrical radiating member which is constructed of sheet metal and extends diametrically across the space-with- 1n a tube preferably from end to end thereof 'and engages its opposite longitudinal edges with the bore of this tube.v Midway of its width this diametrical radiating member is provided with a longitudinal bead 6 which is stamped from the stock of which this member is formed, so that this bead is (m concavo-convex form.

On opposite sides of this diametrical ra diating member are arranged two substan- 'tially V-shaped radiating members each of which is also constructed from a single sheet of metal. One of these members has its flanges 7, 7 connected at their inner longitudinal edges so as to form a salient inwardlyprojecting corner or angle 8 which engages with the concave side of the bead 6 while the outer disconnected longitudinal edges of these anges engage with the inner side of the tubular body. The fianges 9, 9, of the other V-shaped member are connected at their inner longitudinal edges which latter form an outwardly-receding seat 10 engaging with the convex side of the bead 6 while the outer longitudinal edges of these flanges engage with the bore of the tubular body.

Endwise displacement of the several radiating members within the-respective radiating tubes is prevented by constructing the central parts of these members suiiiciently narrow to engage with the contracted cenends of their longitudinal edges the flanges of the radiating members are provided with laterally-projecting lugs or extensions 1l which engage with the enlargements at opposite ends of the body.

The several tubes are connected with each other at their opposite ends by mean of solder and the several parts of each radiating device are also preferably connected atv opposite ends with each other and with the 105 companion tubes by means of solder.

Each of the radiating members has its outer longitudinal edge portions preferably Y bent so that the same is of spiral form in a direction lengthwise of the tube so a's to 110 tudinal edges of these members are twisted circumferentially in the same direction, so that together they form a plurality of spiral surfaces against which the air engages in passing through the radiator. The various elements of this radiating device can be produced very rapidly at low cost by employing simple machinery and comparatively. unskilled laborgja'nd the same can also be assembled without'diliiculty and without liability of disarranging the parts,A

thereby producmg an efficient, radiator with considerable economy.

I claim as my invention: o

1. A radiator unit comprising a tubular body, and a radiating device arranged with'- in said body and comprising a diametrical member extending diametrically across the space within said body and provided midway of its width with a longitudinal bead of concavo-convex form, and two V-shaped Legales members arranged on opposite sides of said diametrical member, one of which has the outer side of the angle between the inner connected inner edges of its flanges constructed of salient form and engaging with the concave side of said bead, and the other having'` the outer side of the angle between the inner connected inner edges of its flanges constructed in the Jform of an outwardly receding seat and engaging with the convex side of said-bead. l

2. A radiator unit comprising a tubular -body, and a radiating device arranged within,.-.said body and comprising a diametric'al member.. extending dian'letrically across the space wit'lin saidgbody and provided midway of its width with alongitudinal bead of concavo-convex form",' and two V-shaped members arranged on opposite sides of said diametrical member, one of which has the outer side of the angle between the inner connected inner edges of its flanges constructed of salient form and engaging with the concave side of said bead; and the other having-the outer side of the angle between the'inner connected inner edges of its iianges constructed in the form of an outwardly receding seat and engaging with the convex side of said bead and the outer edgesof the flanges of both ll-shaped members engaging with the bore of said body.

JOHN M. FEDDERS. 

